3 Sep 2021
This page explains how Jason Mei (USATT# 270753)'s rating went from 643 to 631 at the Matchpoint TTC Friday League event from 3 Sep 2021. The links below take you to pages that describe various aspects of the ratings processor.
The ratings processor goes through 4 passes in order. The links take you to pages that provide detailed explanations of the calculations during each of the 4 passes.